<?php

/**
 * This is the model class for table "{{subject}}".
 *
 * The followings are the available columns in table '{{subject}}':
 * @property integer $ID
 * @property string $subject
 * @property integer $createddate
 * @property integer $modifieddate
 * @property integer $deleted
 */
class Subject extends CActiveRecord
{
	/**
	 * Returns the static model of the specified AR class.
	 * @param string $className active record class name.
	 * @return Subject the static model class
	 */
	public static function model($className=__CLASS__)
	{
		return parent::model($className);
	}

	/**
	 * @return string the associated database table name
	 */
	public function tableName()
	{
		return '{{subject}}';
	}

	/**
	 * @return array validation rules for model attributes.
	 */
	public function rules()
	{
		// NOTE: you should only define rules for those attributes that
		// will receive user inputs.
		return array(
			array('subject', 'required'),
			array('createddate, modifieddate, deleted', 'numerical', 'integerOnly'=>true),
			array('subject', 'length', 'max'=>255),
			// The following rule is used by search().
			// Please remove those attributes that should not be searched.
			array('ID, subject, createddate, modifieddate, deleted', 'safe', 'on'=>'search'),
		);
	}

	/**
	 * @return array relational rules.
	 */
	public function relations()
	{
		// NOTE: you may need to adjust the relation name and the related
		// class name for the relations automatically generated below.
		return array(
		);
	}

	/**
	 * @return array customized attribute labels (name=>label)
	 */
	public function attributeLabels()
	{
		return array(
			'ID' => 'ID',
			'subject' => 'Môn học',
			'createddate' => 'Ngày tạo',
			'modifieddate' => 'Ngày cập nhật',
			'deleted' => 'Deleted',
		);
	}
	protected function beforeSave() {
		if($this->isNewRecord) {
			$this->createddate = time();
		}
			$this->modifieddate = time();
		return parent::beforeSave();
	}
	
	/*
	 * get name of subject
	 */
	public function getName($id) {
		$subject = Subject::model()->findByPk($id);
		if(!empty($subject)) {
			return $subject->subject;
		}
	}
	
	/**
	 * get List of subject
	 * @author K.D
	 */
	public function getListSubject() {
	  $array = array();
		$subject = Subject::model()->findAllByAttributes(array('deleted'=>0));
		if(!empty($subject)) {
			foreach ($subject as $s) {
				$array[$s->ID] = $s->subject; 
			}
		}
		return $array;
	}
	/**
	 * Retrieves a list of models based on the current search/filter conditions.
	 * @return CActiveDataProvider the data provider that can return the models based on the search/filter conditions.
	 */
	public function search()
	{
		// Warning: Please modify the following code to remove attributes that
		// should not be searched.

		$criteria=new CDbCriteria;

		$criteria->condition = 'deleted=0';
		$criteria->compare('subject',trim($this->subject),true);

		return new CActiveDataProvider($this, array(
			'criteria'=>$criteria,
		));
	}
}